blur vs rift

blur

noun
  • A smear, smudge or blot 

  • Something that appears hazy or indistinct 

adj
  • In a state of doubt or confusion. 

verb
  • To cause imperfection of vision in; to dim; to darken. 

  • To become indistinct. 

  • To transfer the input focus away from. 

  • To smear, stain or smudge. 

  • To make indistinct or hazy, to obscure or dim. 

rift

noun
  • A chasm or fissure. 

  • A break in the clouds, fog, mist etc., which allows light through. 

  • A shallow place in a stream; a ford. 

verb
  • To form a rift; to split open. 

  • To belch. 

  • To cleave; to rive; to split. 

How often have the words blur and rift occurred in a corpus of books? (source: Google Ngram Viewer )